Zinc decreases post surgery sore throat

Preoperative oral zinc tablet decreases incidence of post-operative sore throat (POST)

Status

Active, not recruiting

Phases

Phase 3Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2019/03/018065

Enrollment

Registered

2019-03-13

Start date

Unknown

Completion date

Unknown

Last updated

2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Dispersible Zinc sulfate tablet: Dispersible zinc sulfate tablet containing elemental zinc 40mg, given to patient with directions to dissolve by sucking on it in mouth, 30 minutes befor

Eligibility

Inclusion criteria

Inclusion criteria: 18 to 60 years age, ASA Physical Status I and II, Posted for elective surgery under general anesthesia with endotracheal intubation, Duration of surgery greater than one hour and less than 6 hours, Patient staying in hospital for atleast 24 hours post surgery.

Exclusion criteria

Exclusion criteria: Malampatti grade > II, Head neck surgery, Chronic smoker, History of recent sore throat or upper respiratory tract infection, Patient requiring more than one attempt at intubation or traumatic intubation, Pregnancy, Allergy to zinc.

Design outcomes

Primary

Measure	Time frame
incidence of post-operative sore throatTimepoint: 4 hours post operatively	—

Secondary

Measure	Time frame
Incidence of post-operative sore throatTimepoint: 30mins, 2 hours and 24 hours post-operatively	—

Countries

India

Contacts

Public ContactDr Tanmay Sarkar

NORTH BENGAL MEDICAL COLLEGE

dr.sarkar08@gmail.com08016939433

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026